Mountain biking is indeed one of the most popular means of touring the area. You can ride to and from Winteregg. Once there, lock up your ride, and hike back to Lauterbrunnen via a trail that leads out from the town hall up.
Editor’s Note: This recommendation was taken from our Switzerland Things to Do blog. Visit the original post to continue reading the full post and to learn more about things to do in Switzerland.
Photo courtesy of Noel Reynolds via Flickr.